Unaudited Condensed Consolidated Balance Sheets (USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 67.3	$ 95.1
Receivables, net	402.1	462.0
Inventory	1,601.7	1,867.0
Other current assets	224.9	204.7
Total Current Assets	2,296.0	2,628.8
PROPERTY AND EQUIPMENT, net of accumulated depreciation of $738.1 million and $689.6 million, respectively	1,919.2	1,838.0
GOODWILL (Note 4)	1,172.2	1,142.4
OTHER INTANGIBLE ASSETS, NET (Note 4)	218.0	202.0
OTHER ASSETS	161.4	163.0
Total Assets	5,766.8	5,974.2
LIABILITIES AND SHAREHOLDERS' EQUITY
Vehicle floorplan payable	1,511.3	1,866.4
Accounts payable	169.0	164.0
Current maturities of long-term obligations	93.2	8.1
Other current liabilities	386.3	360.9
Total Current Liabilities	2,159.8	2,399.4
LONG-TERM DEBT, NET OF CURRENT MATURITIES	1,394.2	1,340.6
DEFERRED INCOME TAXES	43.6	25.9
OTHER LIABILITIES	144.3	129.4
COMMITMENTS AND CONTINGENCIES (Note 10)
SHAREHOLDERS' EQUITY:
Preferred stock, par value $0.01 per share; 5,000,000 shares authorized; none issued	0	0
Common stock, par value $0.01 per share; 1,500,000,000 shares authorized; 163,562,149 shares issued at September 30, 2011, and December 31, 2010, including shares held in treasury	1.6	1.6
Additional paid-in capital	18.0	2.0
Retained earnings	2,577.2	2,365.2
Treasury stock, at cost; 22,121,886 and 15,197,680 shares held, respectively	(571.9)	(289.9)
Total Shareholders' Equity	2,024.9	2,078.9
Total Liabilities and Shareholders' Equity	5,766.8	5,974.2
Trade [Member]
LIABILITIES AND SHAREHOLDERS' EQUITY
Vehicle floorplan payable	1,043.2	1,379.9
Non-Trade [Member]
LIABILITIES AND SHAREHOLDERS' EQUITY
Vehicle floorplan payable	$ 468.1	$ 486.5